5
votes
3answers
175 views

Why does water and gunk back up through the overflow hole in the bathroom sink?

When I run the water in my bathroom faucet it sometimes (but not all the time) slowly starts to creep up the overflow hole and pour back into the sink. Included with the water is black and grey gunk. ...
4
votes
2answers
603 views

How can I fix a toilet that is backing up with sink water?

I need help. I would like to avoid calling a plumber. The toilet in our downstairs bathroom keeps backing up. Here is what I have tried and/or observed: I tried using a good plunger. I cannot even ...